High-pressure behaviour of synthetic weberite-type Mn2+2Sb5+2O7: an in situ single-crystal X-ray study. (Articolo in rivista)

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Label
  • High-pressure behaviour of synthetic weberite-type Mn2+2Sb5+2O7: an in situ single-crystal X-ray study. (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.solidstatesciences.2013.04.012 (literal)
Alternative label
  • Chelazzi L. [1], Boffa Ballaran T. [2], Lepore G. [3], Bindi L. [3, 4], Bonazzi P. [3] (2013)
    High-pressure behaviour of synthetic weberite-type Mn2+2Sb5+2O7: an in situ single-crystal X-ray study.
    in Solid state sciences (Online); Elsevier, Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Chelazzi L. [1], Boffa Ballaran T. [2], Lepore G. [3], Bindi L. [3, 4], Bonazzi P. [3] (literal)
Pagina inizio
  • 85 (literal)
Pagina fine
  • 90 (literal)
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  • http://www.journals.elsevier.com/solid-state-sciences/ (literal)
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  • 21 (literal)
Rivista
Note
  • Scopu (literal)
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  • [1] Dipartimento di Chimica \"G. Ciamician\", Università di Bologna, Bologna, Italy [2] Bayerisches Geoinstitut, Universität Bayreuth, Bayreuth D-95440, Germany [3] Dipartimento di Scienze della Terra, Università di Firenze, Firenze, Italy [4] C.N.R., Istituto di Geoscienze e Georisorse, Sezione di Firenze, Firenze, Italy (literal)
Titolo
  • High-pressure behaviour of synthetic weberite-type Mn2+2Sb5+2O7: an in situ single-crystal X-ray study. (literal)
Abstract
  • An in situ high-pressure X-ray diffraction study has been carried out at room temperature up to 9.26 GPa on synthetic Mn2Sb2O7 having a weberite-3T structure. A 2nd-order Birch-Murnaghan Equation of State (EoS) was used to refine the pressure-volume data. The refinement of the unit-cell volume and of the isothermal bulk modulus at room pressure leads to: V0 = 782.7(2), KT0 = 150(1) GPa. Unit-cell parameters decrease gradually as a function of pressure with a bulk modulus anisotropy scheme, with a being the softest direction. The overall mean polyhedral distances are quite constant, indicating a scarce compressibility of both the A and B polyhedra in the pressure range investigated. The compressional behaviour of Mn2Sb2O7 is compared with that shown by ingersonite, Ca3MnSb4O14, and synthetic orthorhombic Ca2Sb2O7. (literal)
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